m fi col have a bay with two points . of the upto 4sc o there wil/ stuLed omp Temperature. bar is increased be a crack at the centes of the bar and it moves In upuard. direction. The. Cofficent of lineal expansion 25x 10-6/C then. Find the from the of the bar ? peornda nor mal Pasition y zybray ayf

A selid sphere of redivs 30 cm is heated to soo°C before beine pleced inside of refrigerator wkose temperature is 5'e. If the sphere the temperatore is 5e. can radiete at 25 % rbat is power cadieted while iaside the refsigecetor?

In an insulated Styrofoam cup are mixed 0.30 kg of water at 29.°C and 0.82 kg of copper at 65.°C. Give the equilibrium temperature in °C.

metal tanks at 0°C and 100°C, are separated from them by layers lagged copper bar, 14cm long, whose ends are pressed against 18 that of copper, find the temperature of dirt. The layer of dirt is 0.1 mm thick. Assuming that the conductivity of dirt is 108 of each end of the bar.